Rainbird is a central decisioning authority for agentic AI systems. Our platform is the deterministic reasoning layer that governs how autonomous and semi-autonomous agents make high-stakes decisions, ensuring those decisions are precise, deterministic, and auditable. Rainbird encodes institutional knowledge explicitly, reasons over it symbolically, and produces decisions with full traceability. In modern AI stacks, Rainbird sits above models and alongside agents, acting as the system of record for “what should be decided, and why.”